2147431321

素因数分解:

$7^2\times {\mathrm{113}}^1\times {\mathrm{389}}^1\times {\mathrm{997}}^1$

素因数の和:1513

約数の個数: 24

約数和(自身を含む): 2529151560

約数和(自身を除く): 381720239

約数列:

[1, 7, 49, 113, 389, 791, 997, 2723, 5537, 6979, 19061, 43957, 48853, 112661, 307699, 387833, 788627, 2153893, 2714831, 5520389, 19003817, 43825129, 306775903, 2147431321]

約数ペア:

[(1, 2147431321), (7, 306775903), (49, 43825129), (113, 19003817), (389, 5520389), (791, 2714831), (997, 2153893), (2723, 788627), (5537, 387833), (6979, 307699), (19061, 112661), (43957, 48853)]